Patents by Inventor Alain de Leffe

Alain de Leffe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for acquiring an image by oversampled push-broom scanning
    Patent number: 6529267
    Abstract: The invention concerns a method for acquiring an image by oversampled push-broom scanning from a satellite-borne vehicle or aircraft carrying at least a load transfer sensor bar, characterised in that it consists in controlling the attitude and the vehicle rolling, pitching and yawing angular speeds such that the longitudinal and lateral ground speeds of the bar verify: (a), (b) in which Vref=P/Ti, P being the bar ground step, Ti the sampling period, and m and l two whole numbers.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: March 4, 2003
    Assignee: Centre National d'Etudes Spatiales
    Inventors: Paul Duchon, Alain de Leffe, Marc Pircher